18956779492

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{11621}}^1$

素因数の和:11821

約数の個数: 96

約数和(自身を含む): 42173913600

約数和(自身を除く): 23217134108

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 149, 161, 238, 298, 322, 391, 476, 596, 644, 782, 1043, 1564, 2086, 2533, 2737, 3427, 4172, 5066, 5474, 6854, 10132, 10948, 11621, 13708, 17731, 23242, 23989, 35462, 46484, 47978, 58259, 70924, 81347, 95956, 116518, 162694, 197557, 233036, 267283, 325388, 395114, 407813, 534566, 790228, 815626, 1069132, 1382899, 1631252, 1731529, 1870981, 2765798, 3463058, 3741962, 4543811, 5531596, 6926116, 7483924, 9087622, 12120703, 18175244, 24241406, 29435993, 31806677, 39825167, 48482812, 58871986, 63613354, 79650334, 117743972, 127226708, 159300668, 206051951, 278776169, 412103902, 557552338, 677027839, 824207804, 1115104676, 1354055678, 2708111356, 4739194873, 9478389746, 18956779492]

約数ペア:

[(1, 18956779492), (2, 9478389746), (4, 4739194873), (7, 2708111356), (14, 1354055678), (17, 1115104676), (23, 824207804), (28, 677027839), (34, 557552338), (46, 412103902), (68, 278776169), (92, 206051951), (119, 159300668), (149, 127226708), (161, 117743972), (238, 79650334), (298, 63613354), (322, 58871986), (391, 48482812), (476, 39825167), (596, 31806677), (644, 29435993), (782, 24241406), (1043, 18175244), (1564, 12120703), (2086, 9087622), (2533, 7483924), (2737, 6926116), (3427, 5531596), (4172, 4543811), (5066, 3741962), (5474, 3463058), (6854, 2765798), (10132, 1870981), (10948, 1731529), (11621, 1631252), (13708, 1382899), (17731, 1069132), (23242, 815626), (23989, 790228), (35462, 534566), (46484, 407813), (47978, 395114), (58259, 325388), (70924, 267283), (81347, 233036), (95956, 197557), (116518, 162694)]